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General| Model | IBM DS4800 |
|---|---|
| Storage Type | Disk Array |
| Drive Types | SAS, SATA |
| Maximum Number of Drives | 112 |
| Host Interfaces | 4 Gbps Fibre Channel |
| Data Transfer Rate | Up to 4 Gbps per port |
| Power Supply | Dual redundant, hot-swappable |
| Storage Controller Type | Dual-active |
| RAID Levels Supported | 0, 1, 3, 5, 10 |
Provides a general description of the IBM System Storage DS4800, its capabilities, and architecture.
Provides a summary of the DS4800 installation process and key steps.
Guides on creating a detailed plan and preparing the site for DS4800 installation.
Outlines the site requirements, including space, stability, and environmental conditions.
Provides considerations and steps for preparing the rack cabinet for DS4800 installation.
Instructions for installing the rack mounting support rails for the DS4800.
Step-by-step instructions for physically installing the DS4800 unit into the rack cabinet.
Introduces SFPs and fiber-optic cables and their use in connecting the storage subsystem.
Step-by-step instructions for installing Small Form-Factor Pluggable (SFP) modules into the controller ports.
Instructions for connecting fiber-optic cables to SFPs and devices.
Provides guidance on connecting storage expansion enclosures to the DS4800, including cabling topologies.
Outlines the general steps for connecting storage expansion enclosures to the subsystem.
Presents preferred cabling topologies for connecting storage expansion enclosures to the DS4800.
Provides instructions on how to connect host systems to the DS4800 using redundant Fibre Channel paths.
Outlines the necessary steps and methods for configuring the storage subsystem after installation.
Explains the Fibre Channel connection architecture, including host and drive loops.
Details the steps for installing host systems and host adapters, and connecting interface cables.
Provides instructions for connecting the DS4800 to power sources, including redundant connections.
Offers recommendations for optimal system operation, including shutdown procedures and data backup.
Details a sequence of actions to verify and maintain the optimal performance of DS4000 storage configurations.
Provides instructions for powering the storage subsystem on and off during normal and emergency situations.
Details the procedure for powering on the storage subsystem and its components.
Provides instructions for safely powering off the storage subsystem.
Guides on how to restore power after an unexpected shutdown, including potential data loss considerations.
Outlines the procedure for shutting down the storage subsystem during emergency situations.
Details the procedure to restore power after an unplanned shutdown due to an emergency.
Step-by-step instructions for replacing a RAID controller.
Procedures for replacing a power supply and fan unit.
Step-by-step instructions for replacing the interconnect-battery unit.
Guides on using DS4000 Storage Manager and symptom-to-FRU index for diagnosing and resolving problems.
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